File:Physiographic Provinces 48 Conterminous US-v1.svg

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Description
English: The major physiographic provinces of the 48 conterminous United States.

This map is based on public domain data from the USGS[1]

Originator: Fenneman, N.M., and Johnson, D.W.
Publication_Date: 1946
Title: Physiographic divisions of the conterminous U. S.
Geospatial_Data_Presentation_Form: map
Publication_Place: Washington, DC
Publisher: USGS
The data is presented in an Lambert equal area projection described in "proj" format as: "+proj=leac +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-100 +x_0=0 +y_0=0 +ellps=clrk66 +datum=NAD83 +units=m +no_defs"
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Source Own work
Author Kbh3rd

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
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current23:36, 9 August 2009Thumbnail for version as of 23:36, 9 August 20091,000 × 600 (2.05 MB)Kbh3rd (talk | contribs){{Information |Description={{en|1=The major physiographic provinces of the 48 conterminous United States. This map is based on public domain data from the USGS[http://water.usgs.gov/GI

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